CN201402419Y - Intelligent pH value and temperature control system for industrial fermentation - Google Patents
Intelligent pH value and temperature control system for industrial fermentation Download PDFInfo
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- CN201402419Y CN201402419Y CN 200920019905 CN200920019905U CN201402419Y CN 201402419 Y CN201402419 Y CN 201402419Y CN 200920019905 CN200920019905 CN 200920019905 CN 200920019905 U CN200920019905 U CN 200920019905U CN 201402419 Y CN201402419 Y CN 201402419Y
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Abstract
The utility model discloses an intelligent pH value and temperature control system for industrial fermentation, which belongs to the technical field of industrial automatic control. The utility modelis a productized intelligent pH value and temperature control system which is designed because no dedicated control system is provided at present to overcome the difficulty of process control caused by the severe nonlinearity and great lag of the change of the pH value of the large industrial fermenter. The system comprises a pH sensor, a temperature sensor, an actuator, a communication network and a computer, and is characterized in that the system also comprises an intelligent pH and temperature control instrument. The system has the advantages of significant pertinence, high reliability, simple operation and easy maintenance, is suitable for the current situation of Chinese fermentation industry, particularly the upgrade of old fermentation enterprises.
Description
Technical field
The utility model discloses a kind of industrial fermentation pH value temperature intelligent control system, belongs to industrial process automatic control technology field.
Background technology
For different industrial fermentation processes, the parameter that needs to detect control reaches tens.But wherein most critical is pH value and temperature, directly influences the level of fermenting and producing.Yet because sweat is the dynamic process of non-linear a, multivariate, large time delay and randomness, fermentation system is a very complicated controlled device, makes this problem still not obtain fine solution so far.Particularly industrial fermentation has been compared many singularity with the laboratory canister, not only the volume of fermentation tank from several cubes to several hectosteres, its environment is also complicated more.For large-scale like this fermenter system,, will cause great economic loss if operation control is improper.This reliability to the pH value control system has proposed very high request.The strong electromagnetic of industry spot also is the baptism to control system.In addition, it is also higher that industrial fermentation requires operability, the maintainability of equipment.
In the market still needleless to the special-purpose pH value automatic temperature control system of industrial fermentation process.The considerable manual control that still adopts of domestic fermentation enterprise.That uses now mainly contains two class opertaing devices.One class is the various universal DCS control system that comprises fieldbus.This type systematic layer-management generally is divided into administration and supervision authorities (engineer station), operation layer (operator station), key-course (control station), and some merges engineer station and operator station, layer with layer between be connected by network.Supporting integrated circuit board, Programmable Logic Controller (PLC) or the analog controller of general employing of control station and industrial computer finished the collection in worksite of pH value and control in real time.This type systematic is huge, and management function is strong, and it is many to detect controlled variable, and its practicality, reliability, operability, maintainability are all relatively poor, and the equipment cost height is difficult to promote at home.The pH measuring instrument (pH of being called controller is also arranged) and the temperature control instrument that also have the simple control function of a class band.The simple control function of one-parameter that this class instrument can only be finished pH value or temperature.The general control algolithm that does not possess complexity does not have and functions such as computing machine communication, information management yet, the control weak effect, and enterprise seldom uses in fermentation.
The utility model is at the problems referred to above, adopts single-chip microcomputer and automatic control technology, the combining information technology, design a kind of simple in structure, practical, at the pH value temperature intelligent control system of industrial fermentation process special use.
Summary of the invention
To achieve these goals, the technical solution adopted in the utility model is:
A kind of industrial fermentation pH value temperature intelligent control system, it comprises the pH sensor, temperature sensor, pH controls actuator, temperature control actuator, communication network, computing machine, it also comprises pH temperature intelligent controller, the pH sensor, temperature sensor is installed on the fermentation tank sidewall respectively and gos deep in the fermentation liquor, the pH sensor, the output signal of temperature sensor links to each other with the signal processing unit of pH temperature intelligent controller respectively, the signal that detects is delivered to pH temperature intelligent controller, the control output of pH temperature intelligent controller and pH control actuator, temperature control actuator links to each other, pH temperature intelligent controller is handled the signal that receives, and drive pH control actuator according to the pH that sets and temperature control mode and add acid or add alkali, actuation temperature control actuator refrigeration or heating, the communication interface of pH temperature intelligent controller also links to each other with computing machine by communication network, with the pH value, temperature value is sent to computing machine.Computing machine carries out to pH value, temperature value that data storage, form show, curve is browsed, report printing.
Described pH temperature intelligent controller comprises single-chip microcomputer at least, can also comprise signal Processing, A/D conversion, control output, demonstration, keyboard, communication interface, can carry out parameter setting, online detection and control in real time to pH value and temperature simultaneously.
In the described computing machine alarm control unit is housed.
This system is by pre-setting parameters such as control model, controlling value, control time, realization is to the automatic control of industrial fermentation process pH value---and add acid or add alkali, temperature is controlled automatically---refrigeration or heating, is furnished with warning device simultaneously, pass through communication network, pH value and temperature detection data are sent to computing machine, finish that data storage, form show, curve is browsed, report printing.This system can substitute the manual shift valve fully and add acid/add alkali and regulate Cold water tap and Steam Heating valve, carries out the control of pH and temperature, and control accuracy improves, and the control effect is steady; At the singularity of industrial fermentation and the warning system that designs can guarantee in time to pinpoint the problems under the fortuitous event, avoid causing damage; The management function of computing machine is for zymotechnique is further studied by enterprise, raising the management level provides a platform.
The beneficial effects of the utility model are:
1, at two the parameter p H values and the temperature of most critical in the sweat, the special-purpose commercialization pH value temperature intelligent control system of industry of design, with strong points, both solved the enterprise practical problem, system is too not complicated again, the cost performance height is fit to China's fermentation industry present situation, the upgrading of the enterprise that is particularly suitable for fermenting always.
2, adopt the pH temperature intelligent controller of single-chip microcomputer design, the reliability height, simple to operate, be easy to safeguard.
3, at the particular surroundings at industrial fermentation scene, the high-power alarm control unit of using design of computer hardware is that continuous production of industrialization provides safeguard.
4, computer management system can realize pH value, temperature data longer-term storage, consult at any time, for enterprise strengthens management, further studies technology advanced means is provided.
Description of drawings
Fig. 1 is the utility model system architecture synoptic diagram.
Fig. 2 is the utility model pH temperature intelligent controller schematic block circuit diagram.
Among the figure, 1.pH sensor, 2. temperature sensor, 3.pH the temperature intelligent controller, 4.pH controls actuator, 5. temperature control actuator, 6. communication network, 7. computing machine, 8. fermentation tank, 9. signal Processing, 10.A/D conversion, 11. single-chip microcomputers, 12. control output, 13. show 14. keyboards, 15. communication interfaces.
Embodiment
Now in conjunction with specific embodiments the utility model is described further.Industrial fermentation pH value temperature intelligent control system, it comprises: pH sensor 1, temperature sensor 2, pH temperature intelligent controller 3, pH controls actuator 4, temperature control actuator 5, communication network 6, computing machine 7, wherein pH value sensor 1 adopts the pyroceram electrode, temperature sensor 2 adopts platinum 1000 thermal resistances, pH control actuator 4 adopts corrosion-resistant guide electromagnetic valve, and temperature control actuator 5 adopts the stainless steel guide electromagnetic valve, and communication network 6 adopts 485 industrial bus, computing machine 7 adopts the PIV industrial control computer, and the single-chip microcomputer 3 of pH temperature intelligent controller adopts ATMEL89S52.PH sensor 1 is sent the electric signal that the pH value in the fermentation tank converts 4～20mA to into pH temperature intelligent controller 3, and simultaneous temperature sensor 2 is transformed into resistance signal with the temperature signal in the fermentation tank and sends into pH temperature intelligent controller 3.PH temperature intelligent controller 3 detects, handles pH and temperature signal respectively, and adds acid or add alkali, actuation temperature solenoid valve 5 refrigeration or heating according to the control mode driving pH control electromagnetic valve 4 that sets in advance; PH temperature intelligent controller 3 is sent to pH value and temperature data also that computing machine 7 is stored, form shows, curve is browsed, report printing by 485 buses 6.
Claims (3)
1, a kind of industrial fermentation pH value temperature intelligent control system, it comprises pH sensor (1), temperature sensor (2), pH controls actuator (4), temperature control actuator (5), communication network (6), computing machine (7), it is characterized in that: it also comprises pH temperature intelligent controller (3), pH sensor (1), temperature sensor (2) is installed on fermentation tank (8) sidewall respectively and gos deep in the fermentation liquor, pH sensor (1), the output signal of temperature sensor (2) links to each other with the signal processing unit (9) of pH temperature intelligent controller (3) respectively, the signal that detects is delivered to pH temperature intelligent controller (3), the control output (12) of pH temperature intelligent controller (3) and pH control actuator (4), temperature control actuator (5) links to each other, add acid or add alkali according to pH that sets and temperature control model driving pH control actuator (4), actuation temperature control actuator (5) refrigeration or heating, the communication interface (15) of pH temperature intelligent controller (3) also links to each other with computing machine (7) by communication network (6), with the pH value, temperature value is sent to computing machine (7).
2, industrial fermentation pH value temperature intelligent control system according to claim 1, it is characterized in that: described pH temperature intelligent controller comprises single-chip microcomputer (11) at least, can also comprise signal Processing (9), A/D conversion (10), control output (12), show (13), keyboard (14), communication interface (15).
3, industrial fermentation pH value temperature intelligent control system according to claim 1 is characterized in that: in the described computing machine alarm control unit is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920019905 CN201402419Y (en) | 2009-03-30 | 2009-03-30 | Intelligent pH value and temperature control system for industrial fermentation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920019905 CN201402419Y (en) | 2009-03-30 | 2009-03-30 | Intelligent pH value and temperature control system for industrial fermentation |
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| Publication Number | Publication Date |
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| CN201402419Y true CN201402419Y (en) | 2010-02-10 |
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| CN 200920019905 Expired - Fee Related CN201402419Y (en) | 2009-03-30 | 2009-03-30 | Intelligent pH value and temperature control system for industrial fermentation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839227A (en) * | 2012-08-31 | 2012-12-26 | 中联重科股份有限公司 | Fermentation tank, and method, equipment and system for controlling fermentation blending of feed liquid |
| CN102925349A (en) * | 2012-11-26 | 2013-02-13 | 济南华明生化有限公司 | Temperature regulating and adjusting device of itaconic acid fermentation tank |
| CN103677025A (en) * | 2013-12-19 | 2014-03-26 | 芜湖融汇化工有限公司 | On-line monitoring and controlling system used for sodium hypochlorite production |
| CN110241004A (en) * | 2019-06-01 | 2019-09-17 | 六安市胜缘食品有限公司 | A kind of microbial ferment device of meat products |
-
2009
- 2009-03-30 CN CN 200920019905 patent/CN201402419Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839227A (en) * | 2012-08-31 | 2012-12-26 | 中联重科股份有限公司 | Fermentation tank, and method, equipment and system for controlling fermentation blending of feed liquid |
| CN102925349A (en) * | 2012-11-26 | 2013-02-13 | 济南华明生化有限公司 | Temperature regulating and adjusting device of itaconic acid fermentation tank |
| CN103677025A (en) * | 2013-12-19 | 2014-03-26 | 芜湖融汇化工有限公司 | On-line monitoring and controlling system used for sodium hypochlorite production |
| CN110241004A (en) * | 2019-06-01 | 2019-09-17 | 六安市胜缘食品有限公司 | A kind of microbial ferment device of meat products |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100210 Termination date: 20130330 |